:root {
  --ink: #071622;
  --navy: #081826;
  --navy-2: #102b3e;
  --line: #d9e3e6;
  --muted: #63747c;
  --soft: #eef4f2;
  --paper: #fbfdf9;
  --lime: #b7d94a;
  --lime-2: #d7ef74;
  --white: #ffffff;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 0;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
h1,
h2,
h3 {
  overflow-wrap: anywhere;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 76px;
  padding: 16px clamp(18px, 4vw, 48px);
  color: var(--white);
  background: rgba(8, 24, 38, .96);
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  backdrop-filter: blur(14px);
}

.brand-cluster,
.nav-cluster {
  display: flex;
  align-items: center;
  min-width: 0;
}

.brand-cluster {
  gap: 12px;
}

.nav-cluster {
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: 270px;
  min-width: 0;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  object-fit: contain;
}

.brand span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.desktop-nav {
  display: none;
  align-items: center;
  gap: 6px;
}

.desktop-nav a {
  padding: 10px 12px;
  color: rgba(255, 255, 255, .76);
  border-bottom: 2px solid transparent;
  font-size: 14px;
}

.desktop-nav a:hover,
.desktop-nav a[aria-current="page"] {
  color: var(--white);
  border-color: var(--lime);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-cta,
.mobile-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  border-radius: 3px;
  border: 1px solid transparent;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
}

.header-cta {
  display: none;
  background: var(--lime);
  color: var(--navy);
}

.mobile-menu {
  position: relative;
}

.mobile-menu summary {
  display: grid;
  place-items: center;
  gap: 4px;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 3px;
  cursor: pointer;
  list-style: none;
}

.mobile-menu summary::-webkit-details-marker {
  display: none;
}

.mobile-menu summary span {
  width: 18px;
  height: 2px;
  background: var(--white);
}

.mobile-panel {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: min(82vw, 320px);
  padding: 14px;
  background: var(--navy-2);
  border: 1px solid rgba(255, 255, 255, .16);
  box-shadow: 0 22px 60px rgba(0, 0, 0, .28);
}

.mobile-panel-head {
  margin-bottom: 8px;
  padding: 6px 12px 12px;
  color: var(--lime);
  font-weight: 800;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.mobile-panel a {
  display: block;
  padding: 14px 12px;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.mobile-panel .mobile-cta {
  margin-top: 12px;
  border: 0;
  background: var(--lime);
  color: var(--navy);
}

.hero,
.page-hero,
.article-hero,
.not-found {
  position: relative;
  color: var(--white);
  background:
    radial-gradient(circle at 85% 18%, rgba(183, 217, 74, .18), transparent 28%),
    linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 62%, #16364c 100%);
  overflow: hidden;
}

.hero::before,
.page-hero::before,
.article-hero::before,
.not-found::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(110deg, transparent 0 42px, rgba(255, 255, 255, .055) 43px 44px),
    linear-gradient(90deg, rgba(183, 217, 74, .14), transparent 38%);
  pointer-events: none;
}

.evidence-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  min-height: 650px;
  padding: clamp(54px, 9vw, 118px) clamp(18px, 5vw, 64px);
}

.hero-copy,
.hero-media,
.page-hero > div,
.article-hero > div,
.article-hero > figure,
.not-found > div {
  position: relative;
  z-index: 1;
}

.hero-copy {
  max-width: 760px;
  align-self: center;
}

.hero-copy h1,
.page-hero h1,
.article-hero h1,
.not-found h1 {
  margin-bottom: 22px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(42px, 8vw, 88px);
  line-height: .98;
  letter-spacing: 0;
}

.hero-copy p,
.page-hero p,
.article-hero p,
.not-found p {
  max-width: 720px;
  color: rgba(255, 255, 255, .82);
  font-size: clamp(17px, 2vw, 21px);
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn-light {
  background: var(--lime);
  color: var(--navy);
}

.btn-ghost-light {
  color: var(--white);
  border-color: rgba(255, 255, 255, .32);
}

.btn-dark {
  background: var(--navy);
  color: var(--white);
}

.btn-outline {
  color: var(--navy);
  border-color: rgba(8, 24, 38, .24);
}

.hero-media {
  align-self: end;
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .06);
  padding: 10px;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(.9) contrast(1.05) brightness(.75);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--navy-2);
  font-size: 13px;
  font-weight: 800;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 3px;
  background: var(--lime);
}

.eyebrow.light {
  color: rgba(255, 255, 255, .78);
}

.section {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(56px, 8vw, 96px) 0;
}

.section-head {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-head h2,
.split-head h2,
.intro-row h2,
.about-profile h2,
.contact-intro h2,
.cta-panel h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-head p,
.split-head > p,
.intro-row > p,
.about-profile p,
.contact-intro p,
.cta-panel p {
  color: var(--muted);
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
}

.path-card,
.service-row,
.evidence-item,
.profile-aside,
.article-card,
.resource-note,
.featured-article,
.article-aux-block,
.legal-body section,
.sitemap-grid > div {
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 4px;
}

.path-card {
  min-height: 230px;
  padding: 26px;
}

.path-card h3,
.service-row h3,
.article-card h3,
.featured-article h2 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.2;
}

.path-card p,
.service-row p,
.article-card p,
.featured-article p {
  margin-bottom: 0;
  color: var(--muted);
}

.row-mark {
  display: block;
  width: 46px;
  height: 4px;
  margin-bottom: 20px;
  background: var(--lime);
}

.split-head,
.intro-row,
.about-profile,
.contact-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.services-preview {
  width: auto;
  max-width: none;
  margin: 0;
  padding: clamp(56px, 8vw, 94px) max(18px, calc((100vw - var(--max)) / 2));
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(183, 217, 74, .16), transparent 38%),
    linear-gradient(180deg, var(--navy) 0%, #0d2131 100%);
  border-top: 0;
  border-bottom: 0;
}

.evidence-list {
  display: grid;
  gap: 0;
  margin-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, .14);
}

.evidence-item {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 18px;
  min-height: 0;
  padding: 20px 0;
  color: var(--white);
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
  border-radius: 0;
}

.evidence-item span {
  color: var(--lime);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  line-height: 1.2;
}

.evidence-item p {
  margin: 0;
  color: rgba(255, 255, 255, .86);
  font-weight: 700;
}

.services-preview .eyebrow {
  color: rgba(255, 255, 255, .72);
}

.services-preview .split-head > p {
  color: rgba(255, 255, 255, .72);
}

.method-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding: clamp(54px, 8vw, 96px) max(18px, calc((100vw - var(--max)) / 2));
  color: var(--white);
  background:
    linear-gradient(125deg, rgba(183, 217, 74, .16), transparent 42%),
    var(--navy);
}

.method-band h2 {
  margin-bottom: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1.05;
}

.method-band > p {
  margin: 0;
  color: rgba(255, 255, 255, .76);
  font-size: 18px;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}

.article-card {
  overflow: hidden;
}

.article-image img,
.featured-image img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.article-card-body {
  padding: 22px;
}

.article-card time,
.featured-article time {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
}

.page-hero {
  padding: clamp(58px, 9vw, 118px) clamp(18px, 5vw, 64px);
}

.page-hero > div,
.not-found > div {
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, .7);
  font-size: 14px;
}

.breadcrumbs a::after {
  content: "/";
  margin-left: 8px;
  color: rgba(255, 255, 255, .34);
}

.service-catalog {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto clamp(46px, 7vw, 80px);
}

.service-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  padding: clamp(24px, 4vw, 38px);
  border-bottom: 0;
}

.service-row + .service-row {
  margin-top: 12px;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
  padding-top: 0;
}

.proof-strip article {
  padding: 22px;
  color: var(--white);
  background: var(--navy);
  border-left: 4px solid var(--lime);
}

.proof-strip strong {
  display: block;
  margin-bottom: 18px;
  color: var(--lime);
  font-size: 24px;
}

.proof-strip p {
  margin: 0;
}

.profile-copy {
  max-width: 680px;
}

.profile-aside {
  display: grid;
  align-content: start;
  gap: 18px;
  padding: clamp(24px, 4vw, 36px);
}

.aside-mark {
  width: 52px;
  height: 5px;
  background: var(--lime);
}

.profile-facts {
  display: grid;
  gap: 18px;
  margin: 0;
}

.profile-facts div {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.profile-facts dt {
  margin-bottom: 6px;
  color: var(--navy-2);
  font-size: 13px;
  font-weight: 800;
}

.profile-facts dd {
  margin: 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.blog-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.resource-note {
  padding: 24px;
  align-self: start;
}

.article-list {
  display: grid;
  gap: 16px;
}

.featured-article {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding: 16px;
}

.featured-article > div {
  padding: 4px 4px 10px;
}

.article-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding: clamp(54px, 8vw, 100px) clamp(18px, 5vw, 64px);
}

.article-hero > div,
.article-hero > figure {
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.article-hero figure {
  margin-top: 0;
  border: 1px solid rgba(255, 255, 255, .16);
  padding: 8px;
}

.article-hero img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  width: min(960px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(46px, 7vw, 84px) 0;
}

.keypoints {
  padding: 22px;
  color: var(--white);
  background: var(--navy-2);
  border-left: 4px solid var(--lime);
}

.keypoints h2 {
  margin-bottom: 12px;
  font-size: 20px;
}

.keypoints ol {
  margin: 0;
  padding-left: 22px;
}

.keypoints a {
  color: var(--white);
  border-bottom: 1px solid rgba(183, 217, 74, .55);
}

.article-body {
  padding: clamp(24px, 5vw, 48px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.article-body section + section {
  margin-top: 38px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.article-body h2 {
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.15;
}

.article-body p {
  color: #2f434c;
}

.article-aux {
  display: grid;
  gap: 14px;
}

.article-aux-block {
  padding: 22px;
}

.article-aux-block h2 {
  font-size: 20px;
}

.article-aux-block ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-aux-block a {
  display: block;
  padding: 12px 14px;
  color: var(--navy);
  background: var(--soft);
  border-left: 3px solid var(--lime);
}

.contact-facts {
  display: grid;
  gap: 12px;
  padding: 24px;
  font-style: normal;
  background: var(--navy);
  color: var(--white);
  border-left: 5px solid var(--lime);
}

.contact-facts a,
.contact-facts span {
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, .16);
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  width: min(var(--max), calc(100% - 36px));
  margin: clamp(34px, 6vw, 70px) auto;
  padding: clamp(28px, 5vw, 54px);
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 6px solid var(--lime);
}

.legal-hero {
  min-height: 360px;
}

.legal-body {
  display: grid;
  gap: 14px;
  width: min(920px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(46px, 7vw, 84px) 0;
}

.legal-body section {
  padding: 24px;
}

.policy-panel {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 18px;
}

.policy-panel > span {
  color: var(--lime);
  font-size: 24px;
  font-weight: 800;
  line-height: 1.1;
}

.legal-body h2 {
  font-size: 22px;
}

.legal-body p {
  color: var(--muted);
}

.sitemap-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.sitemap-grid > div {
  padding: 24px;
}

.sitemap-grid ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sitemap-grid li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) max-content;
  gap: 10px 18px;
  align-items: start;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.sitemap-grid a {
  min-width: 0;
  overflow-wrap: anywhere;
}

.sitemap-grid span {
  justify-self: end;
  white-space: nowrap;
  color: var(--muted);
}

.not-found {
  display: grid;
  min-height: calc(100vh - 76px);
  place-items: center;
  padding: clamp(50px, 8vw, 96px) clamp(18px, 5vw, 64px);
}

.site-footer {
  color: var(--white);
  background: var(--navy);
}

.footer-brief,
.footer-legal {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
}

.footer-brief {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: clamp(34px, 6vw, 62px) 0;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.footer-brand strong {
  display: block;
  max-width: 320px;
  font-size: clamp(24px, 4vw, 42px);
  line-height: 1.1;
}

.footer-directory {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding: 0;
}

.footer-column h2 {
  margin-bottom: 16px;
  font-size: 16px;
  color: var(--lime);
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, .76);
}

.footer-contact {
  display: grid;
  gap: 8px;
  font-style: normal;
  color: rgba(255, 255, 255, .72);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  padding: 18px 0 26px;
  color: rgba(255, 255, 255, .62);
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: 14px;
}

@media (min-width: 720px) {
  .desktop-nav {
    display: flex;
  }

  .header-cta {
    display: inline-flex;
  }

  .mobile-menu {
    display: none;
  }

  .evidence-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, .75fr);
    align-items: end;
  }

  .split-head,
  .intro-row,
  .about-profile,
  .contact-shell {
    grid-template-columns: minmax(0, .9fr) minmax(260px, .7fr);
  }

  .method-band {
    grid-template-columns: minmax(0, .9fr) minmax(280px, .7fr);
  }

  .service-row {
    grid-template-columns: 80px minmax(0, 1fr);
    align-items: start;
  }

  .blog-shell {
    grid-template-columns: 300px minmax(0, 1fr);
  }

  .featured-article {
    grid-template-columns: minmax(240px, .72fr) minmax(0, 1fr);
    align-items: center;
  }

  .article-hero {
    grid-template-columns: minmax(0, 1fr) minmax(280px, .72fr);
    align-items: center;
  }

  .article-shell {
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: start;
  }

  .article-body,
  .article-aux {
    grid-column: 2;
  }

  .keypoints {
    position: sticky;
    top: 96px;
    grid-row: 1 / span 2;
  }

  .cta-panel {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .sitemap-grid {
    grid-template-columns: minmax(0, 1fr) minmax(260px, .72fr);
  }

  .footer-directory {
    grid-template-columns: minmax(150px, .72fr) minmax(220px, 1fr);
    gap: clamp(36px, 5vw, 72px);
  }
}

@media (min-width: 960px) {
  .footer-brief {
    grid-template-columns: minmax(0, .9fr) minmax(440px, 1fr);
  }
}

@media (min-width: 1120px) {
  .desktop-nav {
    gap: 12px;
  }

  .path-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 430px) {
  .site-header {
    min-height: 66px;
    padding: 12px 14px;
  }

  .brand {
    max-width: 210px;
  }

  .evidence-hero,
  .page-hero,
  .article-hero,
  .not-found {
    padding-left: 16px;
    padding-right: 16px;
  }

  .section,
  .service-catalog,
  .cta-panel,
  .footer-brief,
  .footer-legal,
  .legal-body,
  .article-shell {
    width: calc(100% - 28px);
  }

  .hero-actions,
  .cta-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .path-card,
  .service-row,
  .evidence-item,
  .article-body,
  .legal-body section,
  .resource-note,
  .contact-facts,
  .cta-panel {
    padding: 20px;
  }

  .policy-panel {
    grid-template-columns: 1fr;
  }

  .sitemap-grid li {
    grid-template-columns: minmax(0, 1fr);
  }

  .sitemap-grid span {
    justify-self: start;
  }
}
